diff --git a/pkgs/development/tools/profiling/systemtap/default.nix b/pkgs/development/tools/profiling/systemtap/default.nix
index 641c1581b051..b828dbfc7156 100644
--- a/pkgs/development/tools/profiling/systemtap/default.nix
+++ b/pkgs/development/tools/profiling/systemtap/default.nix
@@ -6,8 +6,8 @@ let
   ## fetchgit info
   url = "git://sourceware.org/git/systemtap.git";
   rev = "release-${version}";
-  sha256 = "0mmpiq7bsrwhp7z07a1pwka4q6d2fbmdx5wp83nxj31rvdxhqwnw";
-  version = "4.1";
+  sha256 = "sha256-3LgqMBCnUG2UmsekaIvV43lBpSPEocEXmFV9WpE7wE0=";
+  version = "4.5";
 
   inherit (kernel) stdenv;